CN112882949A - Vehicle networking simulation test platform and method for fusion perception of traffic environment in ring VTHIL - Google Patents
Vehicle networking simulation test platform and method for fusion perception of traffic environment in ring VTHIL Download PDFInfo
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- CN112882949A CN112882949A CN202110279040.4A CN202110279040A CN112882949A CN 112882949 A CN112882949 A CN 112882949A CN 202110279040 A CN202110279040 A CN 202110279040A CN 112882949 A CN112882949 A CN 112882949A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/36—Preventing errors by testing or debugging software
- G06F11/3668—Software testing
- G06F11/3672—Test management
- G06F11/3688—Test management for test execution, e.g. scheduling of test suites
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
Abstract
The invention discloses a vehicle networking simulation test platform and method for fusion perception of traffic environment in a VTHIL (video telephony in the loop), belonging to the technical field of simulation test of fusion perception of traffic environment, wherein the test method comprises the following steps: s1: the test vehicle selects a communication link test factor and an application scene test factor which is suitable for a test scene to carry out simulation test; s2: carrying out quantitative control on each analog control system of the test environment in the test scene; s3: collecting related test data in a test scene, and recording and storing the relevant test data; s4: the invention can meet the requirements of the test vehicle under complex high-risk test working conditions such as various high-risk scene tests, fault tolerance tests and the like by carrying out the vehicle networking simulation test on the test vehicle under the advantages of high efficiency, high controllability and high repeatability, thereby providing a brand-new test means for the research, development and verification of the intelligent networking vehicle.
Description
Technical Field
The invention belongs to the technical field of traffic environment fusion perception simulation tests, and particularly relates to a traffic environment fusion perception in-loop VTHIL car networking simulation test platform and method.
Background
The Internet of vehicles is a new state form of deep integration of industries such as automobiles, electronics, information communication, road transportation and the like. White paper in the internet of vehicles (2017) issued by Ministry of industry and communications in 9 months in 2017 provides planning for technical routes, key technologies, system architectures and other aspects of the internet of vehicles. In 2018, the ministry of industry and correspondence in 4 months, the ministry of public security and the department of transportation jointly release an intelligent networking automobile road test management standard, and the standard specifies multiple aspects of a main body, vehicles, test management and the like of intelligent networking test in detail. The internet of vehicles technology is receiving increasing attention and intensive research from the industry.
The car networking test technology is an important link for verification, test and performance evaluation in the whole technology of the car networking, and the test car networking can work safely, reliably and efficiently in various actual scenes. The main objective of the car networking Test is to evaluate car networking protocols and application performance, and two major categories of Field Operation Tests (FOT) and simulation tests are commonly used as Test methods. The field operation test is the most intuitive and effective test method, but the test is limited by various factors such as cost factor, environmental factor, repeatability, safety, legal permission and the like, so that the simulation technology is greatly developed in the test evaluation of the Internet of vehicles.
Disclosure of Invention
The invention aims to provide a vehicle networking simulation test platform and method for integrating traffic environment and sensing in the ring VTHIL, so as to solve the problems in the background technology.
In a first aspect, the invention provides a vehicle networking simulation test method for fusion perception of traffic environment in ring VTHIL, which comprises the following steps:
s1: the test vehicle selects a communication link test factor and an application scene test factor which is suitable for a test scene to carry out simulation test;
s2: carrying out quantitative control on each analog control system of the test environment in the test scene;
the simulation control system at least comprises an environment simulation control system, a target object control system and a radio frequency signal simulation system;
s3: collecting related test data in a test scene, and recording and storing the relevant test data;
s4: and analyzing and evaluating the test data result to analyze and obtain various parameters of the simulation test.
Further, the application scenario test factors include the type and location of an isolation facility, the type and location of a traffic sign, and the type and location of a traffic marking.
Further, the content of the environment simulation control system comprises an illumination simulation system and a rain and fog simulation system.
Furthermore, the content simulated by the illumination simulation system at least comprises illumination duration, illumination intensity and illumination range, and the content of the rain and fog simulation system at least comprises rain and fog duration, rainfall and visibility under rain and fog.
Further, the content of the object control system at least comprises fake persons and/or fake cars, and the number and the movement tracks of the fake persons and/or fake cars.
Further, the content simulated by the radio frequency signal simulation system at least comprises V2X information and vehicle position information.
On the other hand, the invention also provides a vehicle networking simulation test platform for the fusion perception of the traffic environment in the ring VTHIL, which comprises the following components:
the application library is used for testing the vehicle to select the communication link test factor and carrying out simulation test on the application scene test factor which is suitable for the test scene;
the test execution machine is used for carrying out quantitative control on each analog control system of the test environment in the test scene;
the data acquisition system is used for acquiring related test data in a test scene and recording and storing the related test data;
and the result evaluation system is used for analyzing and evaluating the data result of the test so as to analyze and obtain the performance of each parameter of the simulation test.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the vehicle networking simulation test of the test vehicle, the requirements of the test vehicle under complex high-risk test working conditions such as various high-risk scene tests, fault tolerance tests and the like can be met under the advantages of high efficiency, high controllability and high repeatability, so that the functions of V2X tests, lane cooperative edge equipment, scale concurrent tests, safety certification tests and the like based on massive real scenes can be realized, a brand-new test means is provided for the research and development and verification of the intelligent networking vehicle, an effective and advanced support platform is provided for the research of a test method and standard specifications, the test and research and development efficiency of the intelligent networking vehicle is finally improved, and the application benefit is very high.
Drawings
FIG. 1 is a flow chart of a vehicle networking simulation test method of the present invention.
FIG. 2 is a schematic diagram of a test platform according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the embodiment provides a vehicle networking simulation test method for fusion perception of traffic environment in ring VTHIL, where the test method includes:
s1: the test vehicle selects a communication link test factor and an application scene test factor which is suitable for a test scene to carry out simulation test;
s2: carrying out quantitative control on each analog control system of the test environment in the test scene;
the simulation control system at least comprises an environment simulation control system, a target object control system and a radio frequency signal simulation system;
s3: collecting related test data in a test scene, and recording and storing the relevant test data;
s4: and analyzing and evaluating the test data result to analyze and obtain various parameters of the simulation test.
Wherein the application scenario test factors include the type and location of an isolation facility, the type and location of a traffic sign, and the type and location of a traffic marking.
The environment simulation control system comprises an illumination simulation system and a rain and fog simulation system.
The content simulated by the illumination simulation system at least comprises illumination duration, illumination intensity and illumination range, and the content simulated by the rain and fog simulation system at least comprises rain and fog duration, rainfall and visibility under rain and fog.
Wherein, the content of the object control system at least comprises fake persons and/or fake cars, and the number and the motion trail of the fake persons and/or fake cars.
Wherein, the content simulated by the radio frequency signal simulation system at least comprises V2X information and vehicle position information.
As shown in fig. 2, this embodiment further provides a vehicle networking simulation test platform for fusion awareness of traffic environment in the ring VTHIL, where the test platform includes:
the application library is used for testing the vehicle to select the communication link test factor and carrying out simulation test on the application scene test factor which is suitable for the test scene;
in this embodiment, the example base may be, but is not limited to, a data server with a built-in memory;
the application scenes can be forward collision early warning, blind area early warning/lane change assisting, emergency braking early warning, reverse overtaking collision early warning, red light running early warning, intersection collision early warning, vehicle out-of-control early warning, abnormal vehicle reminding, road danger condition prompting, signal lamp-based vehicle speed guiding, speed limit early warning, front congestion reminding and the like.
The test execution machine is used for carrying out quantitative control on each analog control system of the test environment in the test scene;
the data acquisition system is used for acquiring related test data in a test scene and recording and storing the related test data;
and the result evaluation system is used for analyzing and evaluating the data result of the test so as to analyze and obtain the performance of each parameter of the simulation test.
In this embodiment, the parameter performance of the simulation test may be control time delay, control reliability, control sensitivity, safety, congestion control, and the like of the test vehicle.
When needing to be explained, the test platform is also connected with:
the GNSS simulator is used for providing single-constellation navigation signal simulation for the test vehicle;
the RSU drive test unit is used for additionally arranging an identity identification tag on the test vehicle so as to identify the test vehicle from the outside;
the OBU vehicle-mounted unit is used for establishing microwave communication with the RSU drive test unit in the test vehicle and realizing identity recognition on the test vehicle during the running process of the test vehicle;
and the micro base station is used for enhancing the system capacity of the test platform and the signal connection quality among the components of the test platform.
The above-described functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (which may be a personal computer, a server, or a network device) to execute all or part of the steps of each of the methods of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A vehicle networking simulation test method for fusion perception of traffic environment in a ring VTHIL is characterized by comprising the following steps:
s1: the test vehicle selects a communication link test factor and an application scene test factor which is suitable for a test scene to carry out simulation test;
s2: carrying out quantitative control on each analog control system of the test environment in the test scene;
the simulation control system at least comprises an environment simulation control system, a target object control system and a radio frequency signal simulation system;
s3: collecting related test data in a test scene, and recording and storing the relevant test data;
s4: and analyzing and evaluating the test data result to analyze and obtain various parameters of the simulation test.
2. The vehicle networking simulation test method of the traffic environment fusion perception on ring VTHIL according to claim 1, characterized in that: the application scenario test factors include the type and location of an isolation facility, the type and location of a traffic sign, and the type and location of a traffic marking.
3. The vehicle networking simulation test method of the traffic environment fusion perception on ring VTHIL according to claim 1, characterized in that: the environment simulation control system comprises an illumination simulation system and a rain and fog simulation system.
4. The vehicle networking simulation test method of the traffic environment fusion perception on ring VTHIL according to claim 3, characterized in that: the content simulated by the illumination simulation system at least comprises illumination duration, illumination intensity and illumination range, and the content of the rain and fog simulation system at least comprises rain and fog duration, rainfall and visibility under rain and fog.
5. The vehicle networking simulation test method of the traffic environment fusion perception on ring VTHIL according to claim 1, characterized in that: the content of the object control system at least comprises fake persons and/or fake cars, the number of the fake persons and/or fake cars and the movement tracks of the fake persons and/or fake cars.
6. The vehicle networking simulation test method of the traffic environment fusion perception on ring VTHIL according to claim 1, characterized in that: the content simulated by the radio frequency signal simulation system at least comprises V2X information and vehicle position information.
7. A vehicle networking simulation test platform for fusion awareness of traffic environment in a ring VTHIL is characterized by comprising:
the application library is used for testing the vehicle to select the communication link test factor and carrying out simulation test on the application scene test factor which is suitable for the test scene;
the test execution machine is used for carrying out quantitative control on each analog control system of the test environment in the test scene;
the data acquisition system is used for acquiring related test data in a test scene and recording and storing the related test data;
and the result evaluation system is used for analyzing and evaluating the data result of the test so as to analyze and obtain the performance of each parameter of the simulation test.
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